Package eu.stratosphere.runtime.io

Examples of eu.stratosphere.runtime.io.Buffer

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      }
    }, 500);

    //
    try {
      Buffer buffer = bufferPool.requestBufferBlocking(BUFFER_SIZE);
      Assert.assertNotNull(buffer);

      buffer.recycleBuffer();
    } catch (InterruptedException e) {
      Assert.fail("Unexpected InterruptedException during test.");
    }

    // recycle remaining buffers
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    // 2. failure: buffer is available
    // --------------------------------------------------------------------
    registration = bufferPool.registerBufferAvailabilityListener(listener);
    Assert.assertEquals(BufferAvailabilityRegistration.FAILED_BUFFER_AVAILABLE, registration);

    Buffer buffer = bufferPool.requestBuffer(BUFFER_SIZE);
    Assert.assertNotNull(buffer);

    buffer.recycleBuffer();

    // --------------------------------------------------------------------
    // 3. failure: buffer pool destroyed
    // --------------------------------------------------------------------
    bufferPool.destroy();
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  private static class RecyclingBufferAvailableAnswer implements Answer<Void> {

    @Override
    public Void answer(InvocationOnMock invocation) throws Throwable {
      Buffer buffer = (Buffer) invocation.getArguments()[0];
      buffer.recycleBuffer();

      return null;
    }
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  @Test
  public void testHasData() {
    final int SEGMENT_SIZE = 16;

    final SpanningRecordSerializer<SerializationTestType> serializer = new SpanningRecordSerializer<SerializationTestType>();
    final Buffer buffer = new Buffer(new MemorySegment(new byte[SEGMENT_SIZE]), SEGMENT_SIZE, null);
    final SerializationTestType randomIntRecord = Util.randomRecord(SerializationTestTypeFactory.INT);

    Assert.assertFalse(serializer.hasData());

    try {
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  @Test
  public void testEmptyRecords() {
    final int SEGMENT_SIZE = 11;

    final SpanningRecordSerializer<SerializationTestType> serializer = new SpanningRecordSerializer<SerializationTestType>();
    final Buffer buffer = new Buffer(new MemorySegment(new byte[SEGMENT_SIZE]), SEGMENT_SIZE, null);

    try {
      Assert.assertEquals(SerializationResult.FULL_RECORD, serializer.setNextBuffer(buffer));
    } catch (IOException e) {
      e.printStackTrace();
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   */
  private void test(Util.MockRecords records, int segmentSize) throws Exception {
    final int SERIALIZATION_OVERHEAD = 4; // length encoding

    final SpanningRecordSerializer<SerializationTestType> serializer = new SpanningRecordSerializer<SerializationTestType>();
    final Buffer buffer = new Buffer(new MemorySegment(new byte[segmentSize]), segmentSize, null);

    // -------------------------------------------------------------------------------------------------------------

    serializer.setNextBuffer(buffer);

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    ByteBuf buf = encode(ch, envelopes);

    when(this.bufferProvider.registerBufferAvailabilityListener(Matchers.<BufferAvailabilityListener>anyObject()))
        .thenReturn(BufferAvailabilityRegistration.SUCCEEDED_REGISTERED);

    Buffer buffer = allocBuffer(envelopes[2].getBuffer().size());

    when(this.bufferProvider.requestBuffer(anyInt()))
        .thenReturn(null, null, buffer, null);

    // --------------------------------------------------------------------
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  private static Buffer allocBuffer() {
    return allocBuffer(MAX_BUFFER_SIZE);
  }

  private static Buffer allocBuffer(int bufferSize) {
    return spy(new Buffer(new MemorySegment(new byte[bufferSize]), bufferSize, RECYCLER));
  }
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    Envelope env = new Envelope(random.nextInt(), new JobID(), new ChannelID());
    if (bufferSize > 0) {
      byte[] data = new byte[bufferSize];
      random.nextBytes(data);

      env.setBuffer(spy(new Buffer(new MemorySegment(data), bufferSize, RECYCLER)));
    }

    if (events != null && events.length > 0) {
      env.serializeEventList(Arrays.asList(events));
    }
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    }

    @Override
    public Buffer answer(InvocationOnMock invocation) throws Throwable {
      if (this.forced) {
        Buffer toReturn = allocBuffer((Integer) invocation.getArguments()[0]);
        this.forced = false;

        return toReturn;
      }
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Related Classes of eu.stratosphere.runtime.io.Buffer

  • eu.stratosphere.nephele.util.TestBufferProvider
  • eu.stratosphere.pact.runtime.test.util.MockEnvironment
  • eu.stratosphere.runtime.io.api.RecordWriter
  • eu.stratosphere.runtime.io.channels.InputChannel
  • eu.stratosphere.runtime.io.network.bufferprovider.LocalBufferPool
  • eu.stratosphere.runtime.io.network.bufferprovider.LocalBufferPoolTest
  • eu.stratosphere.runtime.io.network.bufferprovider.LocalBufferPoolTest$RecyclingBufferAvailableAnswer
  • eu.stratosphere.runtime.io.network.ChannelManager
  • eu.stratosphere.runtime.io.network.netty.InboundEnvelopeDecoder
  • eu.stratosphere.runtime.io.network.netty.InboundEnvelopeDecoder$BufferAvailabilityChangedTask
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